CanvasTest

/*
 * This work is licensed under a Creative Commons Attribution 3.0 Unported License, available
 * at http://creativecommons.org/licenses/by/3.0/
 *
 * Please attribute by not editing the @author lines in any location on the source code.
 * Last modified 1/6/2013
 */
import java.awt.Canvas;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.image.BufferStrategy;

/**
 * A basic canvas class with a double buffering strategy
 * @author /u/Tjstretchalot
 */
public class CanvasTest extends Canvas {

    /**
     * Creates the canvas
     * @param doubleBuf double buffering enabled
     */
    public CanvasTest() {

    }

    public void setDoubleBuffered(boolean doubleBuf) {
        if(doubleBuf) {
            createBufferStrategy(2);
        }else {
            createBufferStrategy(1);
        }
    }

    /**
     * Draw a red rectangle
     * @param g the graphics
     */
    public void paint(Graphics g) {
        g.setColor(Color.RED);
        g.fillRect(100, 100, 100, 100);
    }

    public void render() {
        BufferStrategy bs= getBufferStrategy();
        Graphics g = bs.getDrawGraphics();
        paint(g);
        g.dispose();
        bs.show();
    }
}